One more thing Calc is better than Excel: It doesn't screw with your Microsoft Windows 7 windows. Multiwindow in Excel is just broken. Is Excel 2013 any better there?

Anyway, I agree with everything else you said, it matches exactly my experiences with Calc.

That being said I'd prefer Apple to push their iWorks applications over better OOffice - their technological basis is by far the best - the outcome of each click and each edit is completely predictable, the whole rendering engine works consistantly across all three products, so do hotkeys. They're just lacking a lot of sugar on top like the features you mention.